By using ANSYS software and choosing Newmark method, the danger points on drilling string are picked up.

This paper introduces"danger point prediction and control system",which consist of danger point data bank and management system being possessed of multimedia functional.

It has analyzed the danger point of ringnetwork that may happen in wanjiazhai power plant;It explained effective measures and suggestions of preventing the ring of the electric-net that the power plant takes now.

The dangerous points and predictive control measures of dispatching work in electric network;

Analysis and control for dangerous point in ADSS optical cable construction;

The safety evaluation and dangerous point preventive control analysis for power plant;

Analysis of dangerous points of the operation of busbar protection in local systems;

The dangerous points are under control and circuit modification is optimized.

From the distribution curves of the bending stresses,the positions of the dangerous points on the inside and outside walls are located.

Application of analytic and pre-control methods for hazard points to technical retrofit of Doushan Substation;